Inspection Procedure
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
In case of using the LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.
- Check the wiper motor using LEXUS hand-held tester.
PREPARATION:
Connect the LEXUS hand-held tester to the DLC3.
CHECK:
Check that the wiper motor can operate in an ACTIVE TEST.
HINT:
LOW and HIGH can be checked with test separately.
Therefore, check a HIGH side at the time of the problem that HIGH does not operate properly and LOW side at the time of the problem that LOW does not operate properly.
- OK : Proceed to next circuit inspection shown on problem symptom table (See PROBLEM SYMPTOMS TABLE ).
- NG : Go to next step.
- Check the wiper motor (See INSPECTION
).
- NG : Replace the wiper motor
- OK : Go to next step.
- Check wire harness and connector between wiper motor and passenger side J/B ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
).
- NG : Repair or replace wire harness or connector
- OK : Proceed to next circuit inspection shown on problem symptom table (See DTC P0335: CRANKSHAFT POSITION (CKP) SENSOR "A" CIRCUIT MALFUNCTION OR DTC P0339: CRANKSHAFT POSITION SENSOR "A" CIRCUIT INTERMITTENT ).